2 Samuel 6:3
And they set the ark of God upon a new cart, and brought it out of the house of Abinadab that was in Gibeah: and Uzzah and Ahio, the sons of Abinadab, drave the new cart.
Cross-reference
Numbers 4:5-12 commands the ark be carried on poles by Levites, contrasting with the new cart used here, leading to disaster.
Numbers 7:9 specifies that Kohathites carried ark items on their shoulders — the very method David's men violated by using a cart here.
In 1 Samuel 6:7, Philistines used a new cart to return the ark — David's men imitate this pagan method instead of God's instructions.
Exodus 37:5 describes poles inserted into ark rings for carrying — the proper method David's men abandoned for a cart here.
Joshua 3:3 instructs priests to carry the ark on their shoulders — the same command David's men disregarded by using a cart.
1 Samuel 7:1 records the ark housed at Abinadab's house on a hill — the same location David retrieves it from in this verse.
1 Chronicles 13:7 gives the parallel account of this same event — David's men putting the ark on a new cart from Abinadab's house.
1 Chronicles 15:13 explains that God's wrath came because they did not carry the ark properly — the cart method here caused the breach.
1 Samuel 6:11 shows Philistines placing gold objects in a box beside the ark on a cart — the same cart method David later adopts.